Couples' personalities converge over time to make partners more and more similar.
235
In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
456
In Korea, there's a man named Lee Jin-gyu who fell in love and married his life-sized Japanese body pillow (called a "dakimakura").
-2
Men fall in love faster than women do.
32
Kissing an infection-free partner is good for your teeth!
141
You burn 26 calories in a one minute kiss.
605
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103